CN109375431A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
- Publication number
- CN109375431A CN109375431A CN201811254718.8A CN201811254718A CN109375431A CN 109375431 A CN109375431 A CN 109375431A CN 201811254718 A CN201811254718 A CN 201811254718A CN 109375431 A CN109375431 A CN 109375431A
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- Prior art keywords
- display panel
- branch portion
- branch
- stem
- data line
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
It includes: multiple data lines, multi-strip scanning line and public electrode that the present invention, which provides a kind of display panel and display device, the display panel, and the public electrode includes two opposite stem portions and multiple branch portions；In different layers, the position of the branch portion is corresponding with the position of the data line for the stem portion and the branch part, wherein each stem portion and the branch portion are electrically connected.Display panel and display device of the invention, can be improved aperture opening ratio.
Description
[technical field]
The present invention relates to field of display technology, more particularly to a kind of display panel and display device.
[background technique]
Liquid crystal display panel is made of array substrate and color membrane substrates, in conjunction with Fig. 1 and 2；The wherein viewing area of array substrate
Inside be provided with data line 11 (Data line), scan line 12 (Gate line), public electrode wire 13 (Com line), TFT with
And pixel electrode；Wherein 13 same film layers of scan line 12 and public electrode wire, data line 11 are located at another film layer, pixel electrode
Positioned at another film layer.
Existing public electrode wire 13 includes the trunk 131 of periphery and the branch 132 positioned at 131 inside of trunk, branch 132
It arranges, and is connected with the right and left periphery trunk 131 in the horizontal direction；Branch 132 is not be overlapped with scan line 12, due to branch
132 and scan line 12 carry out that development etching is formed namely branch is made of lighttight metal material by same metal layer, thus
Reduce aperture opening ratio.
Therefore, it is necessary to a kind of display panel and display device be provided, to solve the problems of prior art.
[summary of the invention]
The purpose of the present invention is to provide a kind of display panel and display devices, can be improved aperture opening ratio.
In order to solve the above technical problems, the present invention provides a kind of display panel comprising:
Multiple data lines, multi-strip scanning line and public electrode, the public electrode include two opposite stem portions
With multiple branch portions；The stem portion and the branch part are in different layers, the position of the branch portion and the data line
Position is corresponding, wherein each stem portion and the branch portion are electrically connected.
In display panel of the invention, the display panel further includes pixel electrode；
The stem portion is located on the same floor with the scan line, and the branch portion is located on the same floor with the pixel electrode.
In display panel of the invention, the stem portion is electrically connected by via hole and the branch portion.
In display panel of the invention, the position of the via hole is corresponding with the position of the end of the branch portion.
In display panel of the invention, the position of the via hole is corresponding with the position in electrostatic protection hole, and the electrostatic is protected
Guard aperture is used to carry out electrostatic protection, the position of the end of the position and data line in the electrostatic protection hole to the data line
It is corresponding.
In display panel of the invention, two stem portions are located at top edge and the lower edge of display panel,
Multiple branch parts are in the region defined by two stem portions.
In display panel of the invention, the stem portion is arranged along first direction, and the branch portion is arranged in a second direction
Cloth, the first direction and the second direction are perpendicular.
In display panel of the invention, the display panel further includes pixel electrode, the stem portion and the data
Line is located on the same floor, and the branch portion is located on the same floor with the pixel electrode.
In display panel of the invention, the material of the stem portion is metal material, and the material of the branch portion is oxygen
Change indium tin.
The present invention provides a kind of display device comprising above-mentioned display panel.
Display panel and display device of the invention by the way that different layers are arranged in from branch portion in stem portion, and will divide
The position of branch and the position of data line are corresponding, so that branch portion be avoided to block the light of display area, improve aperture opening ratio.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram in existing display panel display area；
Fig. 2 is the structural schematic diagram of existing public electrode wire；
Fig. 3 is that the invention shows the structural schematic diagrams in panel display section；
Fig. 4 is the structural schematic diagram of public electrode wire of the present invention.
[specific embodiment]
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.The direction term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outside", " side "
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is to be given the same reference numerals in the figure.
It is referring to figure 3. that the invention shows the structural schematic diagrams in panel display section with 4, Fig. 3.
As shown in Figures 3 and 4, display panel of the invention can be liquid crystal display panel comprising: multiple data lines 11,
Multi-strip scanning line 12, pixel electrode (not going out in figure) and public electrode 21.
Wherein the scan line 12 is located at the first metal layer, and the scan line 12 is by carrying out pattern to the first metal layer
What change was handled.The data line 11 is located at second metal layer, and the data line 12 is by carrying out figure to second metal layer
What case was handled.
The public electrode 21 includes two stem portions 211 and multiple branch portions 212.Two stem portions 211 are opposite, institute
It states stem portion 211 and the branch portion 212 is located at different layers, the position of the position of the branch portion 212 and the data line 11
Corresponding, stem portion 211 described in two of them is electrically connected with the branch portion 212.The difference of stem portion 211 described in two of them
Top edge and lower edge positioned at display panel.It is arranged in parallel between two stem portions 211.
It is parallel to each other between the plurality of branch portion 212, and multiple branch portions 212 are located at two stem portions
In region defined by 211.Namely branch portion 212 is located at the inside of the stem portion 211.
Wherein the stem portion 211 is arranged along first direction, and the branch portion 212 is arranged in a second direction, and described first
Direction and the second direction are perpendicular.For example the stem portion 211 is arranged in the horizontal direction, the branch portion 212 is along vertical side
To arrangement.
Two stem portions 211 are electrically connected by via hole 23 and the branch portion 212.For example, the branch portion
Material is such as ITO, be coated with branch portion ITO layer when, together in via hole 23 be filled with ITO so that stem portion 211 with point
Branch 212 is electrically connected.
In one embodiment, the position of the via hole 23 is corresponding with the position of end of the branch portion 212, makes score
Two ends of branch 212 and stem portion 211 are electrically connected.
The position of process in order to reduce drilling, the via hole 23 is corresponding with the position in electrostatic protection hole, and the electrostatic is protected
Guard aperture is used to carry out electrostatic protection to the data line, for example the electrostatic on data line is discharged by electrostatic protection hole.Institute
The position for stating electrostatic protection hole is corresponding with the position of the end of the data line.It should be understood that at this time in the via hole with number
It is additionally provided with insulating layer according to the corresponding part of metal layer where line, to prevent branch portion and data line electrical connection.
The branch portion 212 for being repaired to the abnormal point in the display panel, at this time the branch portion 212 with
It is electrically connected between the pixel electrode of corresponding sub-pixel.For example, cutting corresponds to sub- picture respectively when abnormal point occurs in display panel
The source electrode and drain electrode of the thin film transistor (TFT) of element, the pixel electrode of the sub-pixel is connect with branch portion, so that the sub-pixel is bright
Spend it is dimmed, since bright sensitivity of the human eye to dim spot is lower, to improve display effect.
In one embodiment, in order to simplify making technology, production cost, the stem portion 211 and the scan line are reduced
12 are located on the same floor, and the branch portion 212 is located on the same floor with the pixel electrode.Namely the stem portion 211 is swept with described
Retouching line 12 is obtained by carrying out patterned process to the first metal layer, and the branch portion 212 and the pixel electrode are equal
It is to be obtained by carrying out patterned process to transparency conducting layer.It is spaced and sets between the branch portion 212 and pixel electrode at this time
It sets namely the two is insulated from each other.
In another embodiment, in order to simplify making technology, production cost, the stem portion 211 and the data are reduced
Line 11 is located on the same floor, and the branch portion 212 is located on the same floor with the pixel electrode.Namely the stem portion 211 with it is described
Data line 11 is to carry out patterned process to second metal layer to obtain, and the branch portion 212 and the pixel electrode are to saturating
Bright conductive layer carries out what patterned process obtained.Interval setting namely the two between the branch portion 212 and pixel electrode at this time
It is insulated from each other.It will of course be understood that, the set-up mode of branch portion is not limited to upper type, such as in order to reduce aperture opening ratio, also
Third metal layer can be set, by carrying out patterned process to third metal layer, obtain branch portion.Namely at this time branch portion with
Data line, scan line and the equal different layers of pixel electrode.
Wherein the material of the stem portion 211 is metal material, and the material of the branch portion 212 is tin indium oxide.
The present invention also provides a kind of display devices comprising display panel, as shown in Figures 3 and 4, display panel of the invention
It include: multiple data lines 11, multi-strip scanning line 12, pixel electrode (not going out in figure) and public electrode 21.
Wherein the scan line 12 is located at the first metal layer, and the scan line 12 is by carrying out pattern to the first metal layer
What change was handled.The data line 11 is located at second metal layer, and the data line 12 is by carrying out figure to second metal layer
What case was handled.
The public electrode 21 includes two stem portions 211 and multiple branch portions 212；Two stem portions 211 are opposite, institute
It states stem portion 211 and the branch portion 212 is located at different layers, the position of the position of the branch portion 212 and the data line 11
Corresponding, stem portion 211 described in two of them is electrically connected with the branch portion 212.The difference of stem portion 211 described in two of them
Top edge and lower edge positioned at display panel.It is arranged in parallel between two stem portions 211.
It is parallel to each other between the plurality of branch portion 212, and multiple branch portions 212 are located at two stem portions
In region defined by 211.Namely branch portion 212 is located at the inside of the stem portion 211.
Wherein the stem portion 211 is arranged along first direction, and the branch portion 212 is arranged in a second direction, and described first
Direction and the second direction are perpendicular.For example the stem portion 211 is arranged in the horizontal direction, the branch portion 212 is along vertical side
To arrangement.
Two stem portions 211 are electrically connected by via hole 23 and the branch portion 212.For example, the branch portion
Material is such as ITO, be coated with branch portion ITO layer when, together in via hole 23 be filled with ITO so that stem portion 211 with point
Branch 212 is electrically connected.
In one embodiment, the position of the via hole 23 is corresponding with the position of end of the branch portion 212, makes score
Two ends of branch 212 and stem portion 211 are electrically connected.
The position of process in order to reduce drilling, the via hole 23 is corresponding with the position in electrostatic protection hole, and the electrostatic is protected
Guard aperture is used to carry out electrostatic protection to the data line, for example the electrostatic on data line is discharged by electrostatic protection hole.Institute
The position for stating electrostatic protection hole is corresponding with the position of the end of the data line.It should be understood that at this time in the via hole with number
It is additionally provided with insulating layer according to the corresponding part of metal layer where line, to prevent branch portion and data line electrical connection.
The branch portion 212 for being repaired to the abnormal point in the display panel, at this time the branch portion 212 with
It is electrically connected between the pixel electrode of corresponding sub-pixel.For example, cutting corresponds to sub- picture respectively when abnormal point occurs in display panel
The source electrode and drain electrode of the thin film transistor (TFT) of element, the pixel electrode of the sub-pixel is connect with branch portion, so that the sub-pixel is bright
Spend it is dimmed, since bright sensitivity of the human eye to dim spot is lower, to improve display effect.
In one embodiment, in order to simplify making technology, production cost, the stem portion 211 and the scan line are reduced
12 are located on the same floor, and the branch portion 212 is located on the same floor with the pixel electrode.Namely the stem portion 211 is swept with described
Retouching line 12 is obtained by carrying out patterned process to the first metal layer, and the branch portion 212 and the pixel electrode are equal
It is to be obtained by carrying out patterned process to transparency conducting layer.It is spaced and sets between the branch portion 212 and pixel electrode at this time
It sets namely the two is insulated from each other.
In another embodiment, in order to simplify making technology, production cost, the stem portion 211 and the data are reduced
Line 11 is located on the same floor, and the branch portion 212 is located on the same floor with the pixel electrode.Namely the stem portion 211 with it is described
Data line 11 is to carry out patterned process to second metal layer to obtain, and the branch portion 212 and the pixel electrode are to saturating
Bright conductive layer carries out what patterned process obtained.Interval setting namely the two between the branch portion 212 and pixel electrode at this time
It is insulated from each other.It will of course be understood that, the set-up mode of branch portion is not limited to upper type, such as in order to reduce aperture opening ratio, also
Third metal layer can be set, by carrying out patterned process to third metal layer, obtain branch portion.
Wherein the material of the stem portion 211 is metal material, and the material of the branch portion 212 is tin indium oxide.
Display panel and display device of the invention by the way that different layers are arranged in from branch portion in stem portion, and will divide
The position of branch and the position of data line are corresponding, so that branch portion be avoided to block the light of display area, improve aperture opening ratio.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of display panel characterized by comprising
Multiple data lines, multi-strip scanning line and public electrode, the public electrode include two opposite stem portions and more
A branch portion；The stem portion and the branch part are in different layers, the position of the position of the branch portion and the data line
It is corresponding, wherein each stem portion and the branch portion are electrically connected.
2. display panel according to claim 1, which is characterized in that the display panel further includes pixel electrode；
The stem portion is located on the same floor with the scan line, and the branch portion is located on the same floor with the pixel electrode.
3. display panel according to claim 1, which is characterized in that
The stem portion is electrically connected by via hole and the branch portion.
4. display panel according to claim 3, which is characterized in that
The position of the via hole is corresponding with the position of the end of the branch portion.
5. display panel according to claim 4, which is characterized in that
The position of the via hole is corresponding with the position in electrostatic protection hole, and the electrostatic protection hole is used to carry out the data line quiet
The position of electric protection, the electrostatic protection hole is corresponding with the position of the end of the data line.
6. display panel according to claim 5, which is characterized in that two stem portions are located at display panel
Top edge and lower edge, multiple branch parts are in the region defined by two stem portions.
7. display panel according to claim 1, which is characterized in that
The stem portion is arranged along first direction, and the branch portion is arranged in a second direction, the first direction and described second
Direction is perpendicular.
8. display panel according to claim 1, which is characterized in that
The display panel further includes pixel electrode, and the stem portion is located on the same floor with the data line, the branch portion with
The pixel electrode is located on the same floor.
9. display panel according to claim 1 or 8, which is characterized in that
The material of the stem portion is metal material, and the material of the branch portion is tin indium oxide.
10. a kind of display device, which is characterized in that including the described in any item display panels of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254718.8A CN109375431A (en) | 2018-10-26 | 2018-10-26 | A kind of display panel and display device |
| PCT/CN2019/075143 WO2020082645A1 (en) | 2018-10-26 | 2019-02-15 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254718.8A CN109375431A (en) | 2018-10-26 | 2018-10-26 | A kind of display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109375431A true CN109375431A (en) | 2019-02-22 |
Family
ID=65389782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811254718.8A Pending CN109375431A (en) | 2018-10-26 | 2018-10-26 | A kind of display panel and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109375431A (en) |
| WO (1) | WO2020082645A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020082645A1 (en) | 2020-04-30 |
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